About: http://webisa.webdatacommons.org/48900144

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	2) If the communication method of a data link is anything other than File, then both its source and destination must be process vertices, and if one process vertex is Runnable, then both process vertices must be Runnable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com